# Copyright 2021 The TensorFlow Authors. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""Types of color space of an image."""

import enum


@enum.unique
class ColorSpaceType(enum.Enum):
  """Represents the type of color space of an image."""
  # Each pixel is a single element representing only the amount of light.
  GRAYSCALE = "GRAYSCALE"
  # Each pixel has red, green, and blue color components.
  RGB = "RGB"
  # An extension of RGB color values with an alpha channel - which specifies the
  # opacity of the color.
  RGBA = "RGBA"
